From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>
Cc: Anirudh Rayabharam <anrayabh@linux.microsoft.com>,
Sean Christopherson <seanjc@google.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>,
Maxim Levitsky <mlevitsk@redhat.com>,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 04/11] KVM: VMX: Define VMCS-to-EVMCS conversion for the new fields
Date: Tue, 21 Jun 2022 17:58:23 +0200 [thread overview]
Message-ID: <20220621155830.60115-5-vkuznets@redhat.com> (raw)
In-Reply-To: <20220621155830.60115-1-vkuznets@redhat.com>
Enlightened VMCS v1 definition was updated with new fields, support
them in KVM by defining VMCS-to-EVMCS conversion.
Note: SSP, CET and Guest LBR features are not supported by KVM yet and
the corresponding fields are not defined in 'enum vmcs_field', leave
them commented out for now.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
arch/x86/kvm/vmx/evmcs.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c
index 6a61b1ae7942..8bea5dea0341 100644
--- a/arch/x86/kvm/vmx/evmcs.c
+++ b/arch/x86/kvm/vmx/evmcs.c
@@ -28,6 +28,8 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_IA32_EFER, host_ia32_efer,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
+ EVMCS1_FIELD(HOST_IA32_PERF_GLOBAL_CTRL, host_ia32_perf_global_ctrl,
+ HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_CR0, host_cr0,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_CR3, host_cr3,
@@ -78,6 +80,8 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_IA32_EFER, guest_ia32_efer,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
+ EVMCS1_FIELD(GUEST_IA32_PERF_GLOBAL_CTRL, guest_ia32_perf_global_ctrl,
+ HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PDPTR0, guest_pdptr0,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PDPTR1, guest_pdptr1,
@@ -126,6 +130,28 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(XSS_EXIT_BITMAP, xss_exit_bitmap,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
+ EVMCS1_FIELD(ENCLS_EXITING_BITMAP, encls_exiting_bitmap,
+ HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
+ EVMCS1_FIELD(TSC_MULTIPLIER, tsc_multiplier,
+ HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
+ /*
+ * Not used by KVM:
+ *
+ * EVMCS1_FIELD(0x00006828, guest_ia32_s_cet,
+ * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
+ * EVMCS1_FIELD(0x0000682A, guest_ssp,
+ * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
+ * EVMCS1_FIELD(0x0000682C, guest_ia32_int_ssp_table_addr,
+ * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
+ * EVMCS1_FIELD(0x00002816, guest_ia32_lbr_ctl,
+ * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
+ * EVMCS1_FIELD(0x00006C18, host_ia32_s_cet,
+ * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
+ * EVMCS1_FIELD(0x00006C1A, host_ssp,
+ * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
+ * EVMCS1_FIELD(0x00006C1C, host_ia32_int_ssp_table_addr,
+ * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
+ */
/* 64 bit read only */
EVMCS1_FIELD(GUEST_PHYSICAL_ADDRESS, guest_physical_address,
--
2.35.3
next prev parent reply other threads:[~2022-06-21 15:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-21 15:58 [PATCH 00/11] KVM: VMX: Support TscScaling and EnclsExitingBitmap whith eVMCS Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 01/11] KVM: x86: hyper-v: Expose access to debug MSRs in the partition privilege flags Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 02/11] x86/hyperv: Fix 'struct hv_enlightened_vmcs' definition Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 03/11] x86/hyperv: Update " Vitaly Kuznetsov
2022-06-21 15:58 ` Vitaly Kuznetsov [this message]
2022-06-21 15:58 ` [PATCH 05/11] KVM: nVMX: Support several new fields in eVMCSv1 Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 06/11] KVM: nVMX: Introduce KVM_CAP_HYPERV_ENLIGHTENED_VMCS2 Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 07/11] KVM: selftests: Switch to KVM_CAP_HYPERV_ENLIGHTENED_VMCS2 Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 08/11] KVM: VMX: Support TSC scaling with enlightened VMCS Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 09/11] KVM: selftests: Add ENCLS_EXITING_BITMAP{,HIGH} VMCS fields Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 10/11] KVM: selftests: Switch to updated eVMCSv1 definition Vitaly Kuznetsov
2022-06-21 15:58 ` [PATCH 11/11] KVM: selftests: Enable TSC scaling in evmcs selftest Vitaly Kuznetsov
2022-06-21 15:59 ` [PATCH QEMU EXAMPLE] i386: Support Enlightened VMCS revisions Vitaly Kuznetsov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220621155830.60115-5-vkuznets@redhat.com \
--to=vkuznets@redhat.com \
--cc=anrayabh@linux.microsoft.com \
--cc=jmattson@google.com \
--cc=kvm@vger.kernel.org \
--cc=linux-hyperv@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mlevitsk@redhat.com \
--cc=pbonzini@redhat.com \
--cc=seanjc@google.com \
--cc=wanpengli@tencent.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox